mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-18 12:22:12 +00:00
fafecb3c25
* Formats: better modularity (development) #2447 * Formats: better modularity (development) #2447 * Formats: better modularity (development) #2447 * Formats: better modularity (development) #2447 * Formats: better modularity (development) #2447 * Formats: better modularity (development): removed very old tests #2447 * Formats: better modularity (development) #2447 * Formats: better modularity (development) #2447 * Formats: better modularity (development) #2447 * Formats: better modularity (development) #2447 * Formats: better modularity (development) #2447 * Formats: better modularity (development) #2447 * Formats: better modularity (development) #2447 * Formats: better modularity (development) #2447
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
#pragma once
|
|
|
|
#include <string>
|
|
#include <DataStreams/IBlockOutputStream.h>
|
|
#include <Formats/FormatSettings.h>
|
|
#include <Core/Block.h>
|
|
|
|
|
|
namespace DB
|
|
{
|
|
|
|
class WriteBuffer;
|
|
|
|
|
|
/** A data format designed to simplify the implementation of the ODBC driver.
|
|
* ODBC driver is designed to be build for different platforms without dependencies from the main code,
|
|
* so the format is made that way so that it can be as easy as possible to parse it.
|
|
* A header is displayed with the required information.
|
|
* The data is then output in the order of the rows. Each value is displayed as follows: length in VarUInt format, then data in text form.
|
|
*/
|
|
class ODBCDriverBlockOutputStream : public IBlockOutputStream
|
|
{
|
|
public:
|
|
ODBCDriverBlockOutputStream(WriteBuffer & out_, const Block & header_, const FormatSettings & format_settings);
|
|
|
|
Block getHeader() const override { return header; }
|
|
void write(const Block & block) override;
|
|
void writePrefix() override;
|
|
|
|
void flush() override;
|
|
std::string getContentType() const override { return "application/octet-stream"; }
|
|
|
|
private:
|
|
WriteBuffer & out;
|
|
const Block header;
|
|
const FormatSettings format_settings;
|
|
};
|
|
|
|
}
|